(19)

(11)

EP 2 398 730 A2

(12)

(88) Date of publication A3: 20.01.2011 (43) Date of publication: 28.12.2011 Bulletin 2011/52 (21) Application number: 10705076.7 (22) Date of filing: 22.02.2010

(51) International Patent Classification (IPC):  B66F 7/02(2006.01) (86) International application number: PCT/US2010/024883 (87) International publication number: WO 2010/096748 (26.08.2010 Gazette 2010/34)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 20.02.2009 US 154215 (71) Applicant: Par Systems, Inc. Shoreview, MN 55126-7007 (US)	(72) Inventors: JOHANEK, William, R. Saint Simons Island GA 31522-5290 (US) HENGEL, Dale Minneapolis MN 55419 (US) (74) Representative: Zonneveld, Hendrik Jan  De Vries & Metman Overschiestraat 180 1062 XK Amsterdam 1062 XK Amsterdam (NL)